Rulings
If a creature on the battlefield has {X} in its mana cost, X is considered to be 0.
(wotc • 2019-10-04)
For spells with {X} in their mana costs, use the value chosen for X to determine the spell's mana value.
(wotc • 2019-10-04)
Rulings
If a creature on the battlefield has {X} in its mana cost, X is considered to be 0.
(wotc • 2019-10-04)
For spells with {X} in their mana costs, use the value chosen for X to determine the spell's mana value.
(wotc • 2019-10-04)